Pelmadulla – Embilipitiya – Nonagama Road (A018)

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Pelmadulla - Embilipitiya - Nonagama Road (A018)

Rehabilitation, Improvement and Maintenance of Pelmadulla - Embilipitiya - Nonagama Road (A018) (30+000 km to 47+000 km).

The Ministry of Highways (MoH) of Sri Lanka has undertaken Rehabilitation / Improvements and Maintenance of National Road (Pelmadulla - Embilipitiya - Nonagama Road (A018) from 0+000 km to 66+000 km) in four contracts under the Integrated Investment Road Programme for which the Government of Sri Lanka has received a loan from the Asian Development Bank (ADB). NSA is the engineering design sub-contractor of the 17km 3rd section of the project from Pallebadda to Kolabage ara passing Sankapala and Udawalawa. NSA carries out detailed designs including the pavement design, geometric designs, hydrology study and structural designs of the culverts and bridges of the project. Rehabilitation and improvement works will consist of strengthening the base of the existing pavement where necessary, widening the carriageway to the required standard, rebuilding the shoulders to the required width with soft shoulder on either side, followed by Asphalt Concrete surfacing/Concrete Paving/ Concrete Block Paving as necessary to the Carriageway.


Embilipitiya, Sri Lanka


2022 February – On going


Consulting Engineers & Contractors (Private) Limited

Services of the Company

All the Design Work of Highways including pavement designs and geometric designs. Hydrological Study for the Flood Prone Sections.

Designs of Road Structures including retaining walls, bridges and culverts.

Designs of road signs and lane marking including designs of road furniture.


Eng. Uditha Hiranya
Pavement Design Engineer

Eng. Sameera Priyanath
Senior Structural Engineer

Eng. Nimesh Priyankara
Highway Design Engineer

Eng. Dasun Tharaka
Highway Design Engineer

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Engineering, Consulting and Management Services

Engineering, Consulting and
Management Services